What type of booming involves two vessels holding position or drifting?

The concept of U booming refers to a type of booming technique used in marine spill response, where two vessels hold position or drift to create a U-shaped configuration for containment. This method is particularly effective in efficiently trapping oil or hazardous substances in an area, preventing the spread of contamination. The design allows for a larger surface area to capture the spill and facilitates better management of the material until it can be properly cleaned up.

In the context of spill response, understanding the different booming techniques is crucial, as they dictate how effectively a response team can contain and manage spills based on the environmental conditions and the nature of the spill itself. U booming is especially advantageous in open waters where currents might otherwise disperse the contaminant, making it harder to control.